| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 1 | 26.065 | N/A |
| 2 | 1 | 23.007 | 21/8:06.205 |
| 3 | 1 | 23.629 | 21/8:12.425 |
| 4 | 1 | 23.588 | 21/8:14.225 |
| 5 | 1 | 23.319 | 21/8:13.078 |
| 6 | 1 | 23.395 | 21/8:13.817 |
| 7 | 1 | 23.665 | 21/8:14.741 |
| 8 | 1 | 23.562 | 21/8:15.107 |
| 9 | 1 | 24.487 | 21/8:17.695 |
| 10 | 1 | 23.804 | 21/8:18.189 |
| 11 | 1 | 23.412 | 21/8:17.801 |
| 12 | 1 | 23.479 | 21/8:17.605 |
| 13 | 1 | 24.574 | 21/8:19.266 |
| 14 | 1 | 24.007 | 21/8:19.800 |
| 15 | 1 | 23.579 | 21/8:19.646 |
| 16 | 1 | 23.791 | 21/8:19.795 |
| 17 | 1 | 24.083 | 21/8:20.291 |
| 18 | 1 | 23.567 | 21/8:20.121 |
| 19 | 1 | 23.662 | 21/8:20.076 |
| 20 | 1 | 23.950 | 21/8:20.338 |
| 21 | 1 | 23.241 | 21/8:19.866 |